TTAC commentator Toy Maker writes:
Hi again Sajeev,
Steven Lang’s post buying quality tools piked my interest again on getting myself an OBDII scanner. But which one is right for me? Even the Autel brand mentioned by Steve have readers ranging from $30 to the $350 Autel MD802 mentioned in Steve’s post.
I don’t plan on working on my cars much, just want to use more than onomatopoeias to converse with my mechanics. (Nice. – SM) (Read More…)
Jason writes:
Sajeev, I have a 2002 Mercedes C320. I replaced the pre-cat O2 sensors at 94k miles as recommended by my service technician. This was in the summer of last year, so roughly a year and a half ago. Since then I have had the CEL twice for O2 heater circuit malfunction on the pre-cat sensor on the driver’s side. The first time I replaced the sensor and that was six weeks ago. Yesterday I start the car up and it’s back (verified at the Advance store with OBDII). Have I received two bad O2 sensors in a row, or could I have something going on with the car that is causing the O2 sensors to have problems?
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